Chung-kuo sha mo chih li tʻu pʻien chi = China tames her deserts : a photographic record / China tames her deserts. Chung-kuo kʻo hsüeh yüan. Lan-chou ping chʻuan tung tʻu sha mo yen chiu so. Sha mo yen chiu shih. Deserts China Pictorial works. GB618.7 .C52 1977 915.1 CHI Romanized. Science, 1977. 1977. 1977 Text [92] p. : chi China